RANKING · 2020 CENSUS · 21 SHOWN OF 21

Most sparsely populated, Delaware cities · 2020

Delaware cities with the fewest residents per square mile (2023). This list covers the 21 cities in Delaware that qualify, ranked against each other statewide.

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DelawareAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Milford, DEDE14,7231,135+66%

02North Star, DEDE7,8341,184−3%

03Hockessin, DEDE13,4391,342+4%

04Millsboro, DEDE7,8901,343+191%

05Georgetown, DEDE8,2911,421+54%

06Glasgow, DEDE15,5461,540+19%

07Seaford, DEDE9,1651,559+19%

08New Castle, DEDE5,7261,596+14%

09Dover, DEDE40,5921,654+23%

10Middletown, DEDE25,7981,829+276%

11Smyrna, DEDE13,3402,010+127%

12Pike Creek, DEDE7,1292,904−60%

13Newark, DEDE30,3593,230+7%

14Edgemoor, DEDE6,3493,459+11%

15Brookside, DEDE15,1153,857+1%

16Bear, DEDE22,3703,987+31%

17Pike Creek Valley, DEDE12,4314,072–

18Claymont, DEDE8,7864,600+7%

19Wilmington Manor, DEDE8,2144,995−1%

20Elsmere, DEDE6,1966,311+7%

21Wilmington, DEDE73,5126,507−2%

SHOWING 1–21 OF 21

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES